Syndicate Bank — third-party applications doesn't register the mobile number with my account

Address:

Ananthasagaram (M) spsr Nellore (d.t) AP

Hii this is g srikanth i have an account on syndicate bank in ananthasagaram branch nellore district ap.. I already complaint for this issue so many times but they didn't slove the problem soo that's why i'm registered a complaint this way.. The problem is when ever i try to do install and add bank accounts to third party application it's doesn't shows the bank account when selected mobile num. Third-party applications means like google pay, phone pay... I already spoke to their customer execute they said the problem is not ours it's a bank server problem soo plzz solve my issue sir kindly waiting for u r call